---
title: "setFailureType(to:)"
framework: swift
role: symbol
role_heading: Instance Method
path: "swift/result/publisher-swift.struct/setfailuretype(to:)"
---

# setFailureType(to:)

## Declaration

```swift
func setFailureType<E>(to failureType: E.Type) -> Result<Result<Success, Failure>.Publisher.Output, E>.Publisher where E : Error
```